Can a Wizard learn a spell from a Sorcerer + put it in his…

Can a Wizard learn a spell from a Sorcerer + put it in his spell book?

Can a Wizard learn a spell from a Sorcerer + put it in his spell book? Make an Int (Arcana) check (like copying scrolls)? Not by the rules, but it doesn’t really break anything to allow it — Mike Mearls (@mikemearls) August 26, 2017