should I use the old passport or the new one?

i intend to change my school, i have applied to a different university using my passport, but it valid just for seven months,and i intend to study for 12 months,,now i want to renew my passport, can i use the new passport to get the visa on it?, or i must use the old passport in which bare the jw202, becuse i will like to use but the new passport since it has longer validity.