Unfortunately no you cant because it is an event Pokemon and you have to use the azure Flute
azure flute
the flute is the azure flute
You would have to use cheats.
You can either receive the Azure Flute by mystery gift, or you can use action replay codes.
You have to get the Azure Flute from a Nintendo Event and go to Spear Pillar. There, you use the flute at the steps, and a long, shiny staircase will appear. Arceus will be at the top.
You will see arceus in the same spot as Dialga and Palkia, only you will use the Azure Flute and stairs will appear. Then you will see arceus.
use the azure flute
Use the azure flute and go to spear pillar
you dont you youse the azura flute.
To get Arceus in R4, use a max repel in a weak spot. Play the white flute and he will appear.
you have to use an azure flute and you need to use it in the Mt.Cornet temple
it wont. you have to cheat to get it or use mystery gift to get the azure flute