How do you give a Pokemon an item on Pokemon Conquest?
you have to beat the game
In Pokemon HeartGold and SoulSilver what happens if your Pokemon finds an item but won't give it to you?
Easy.Just select Pokemon on your menu then select the Pokemon you want to take the item off.After that go to item and select take.Then the item will be taken and you can give another item to the Pokemon.If you want to take an item off your opponent you have to use the move Knock off.But your opponent gets their item back after the battle!
If you don't want a pokemon to hold an item anymore go into the Pokemon menu and then highlight your pokemon. Press the A button to bring up several options. One of them will be Item, select it with the A button and two more options will appear Give and Take. Choose Take and you will remove the item from the pokemon.