Can a Verizon iphone 5 work on Sprint Network?

I have an extra iPhone 5 with Verizon and i would like to give it to my boyfriend who has Sprint… I want to know if we're able to unlock the iPhone so he can use it on Sprint?

No not possible.
if your in PA i have a sprint iphone 5 id sell or trade.
email me

Verizon will have unlocking rules. But if they unlock the iPhone, yes the phone will work with the Sprint network. There may be a lack of LTE support.