Hi girls

Today I decided to be brave and just started texting this guy over facebook. He's basically an acquaintance from mine with whom I used to have lunch with, sometimes alone, sometimes with this guy I also know (who's probably gay and had a thing for him, lol). Omg, I must say, he's hoooot. Plus he's a genius, and totally interesting. Gets A's all the time and is going to start college really soon. He's also half-chinese. I just started by asking how he was and then continued to ask him about his major, subjects, his vacation to Macao and he was actually asking questions about myself and shared a bit. So um yes. I didn't always reply instantly because I couldn't always get wifi and he didn't either, I don't think he has a smartphone. I guess I kept it casual and mysterious, and I didn't sound desperate. But now don't know if I should keep texting him tomorrow. I already did today, and it wasn't too much, but um I kinda don't know what to say. I hope he replies to my last message.
I don't know, but I really want to suggest a hang-out someday but maybe I'm being too straightforward and bold, and guys usually like the chase. Lol, I don't actually know if he's attracted to me. I want to be friends with him. We already talked, so it isn't totally awkward. But it doesn't come totally natural to me. I don't know, girls, I am confused. I would appreciate advise. I know I can't text him everyday but how much time should I wait till I can suggest a hang out? Or maybe it's just too creepy. IDK.
Thank you