It is it possible to transfer a minecraft texture pack i bought on xbox 360 to my nintendo switch?

It is it possible to transfer a minecraft texture pack i bought on xbox 360 to my nintendo switch?

No.

Unfortunately, no. When you transfer a whole game from 360 to NS, the data will not go with it due to the data saving on the console RAM (or cloud). With that, not even purchases will go with the game transfer.