Theres a boy in my cl and i think he like be but....?

i dont like him.. how do i find out for sure he likes me because he tries to work with me when we have to work in artners always tries to alk to me and he sit next to me in homeroom and englissh and he scoots his desk over all the time. the thing is that though hes sensitive and he is chubby i guess.... HELP