Meta Battle Subway PokeBase - Pokemon Q&A  Can you trick someone
with Trick?  0 votes  So, if you don't have an item, but you
opponent does, and you use Trick... Then you basically stealthe
opponent's item, or can you not use it if you don't have an
item?  asked Jun 12, 2012 by Jayster  1 Answer  1 vote Best
answer  Yes, you will obtain the opponents item, it will not
fail, and the target will be left without a held item.
"Switches hold items with the target. This move does not work if
the target has Sticky Hold or Multitype, or is Giratina-O, or if
either Pokémon is holding Mail. This move works even if the user
has no item, but will fail if the user or target has had an item
Knocked Off" - Smogon  Trick will also fail if the target is
behind a substitut or has the ability multitype and is holding a
plate.   answered Jun 12, 2012 by |SentByRavens| selected Jun
14, 2012 by Jayster