boy probs

so theirs this guy that is a year older than me and we go to different school but we have sibling connections. one day he just texted me out of the blue( i barely know him) and we just started talking about school and stuff and he seemed really nice.

1) how do i know if he wants to hookup or if he just wants to talk and get to know me and

2) how can i get to know him/is it weird if i always start the convos