Some PokÃ mon only evolve if traded to a friend while holding an item . There are many other factors that can determine if , when , and into what , different PokÃ mon will evolve . For example , some evolutions will only occur if the PokÃ mon is holding a certain item ; at a certain time of day ; if the PokÃ mon 's friendship is high enough ; if the PokÃ mon is a certain gender ; if it is traded to another player ; or if it is holding a specific item while being traded to another player .