I apologize, I thought you were joking. I just did a search and found this:
Water from your faucet won't dissolve anything, but as Tangfastic said, the pH of the soil would be the big concern. In the article it mentions the jeans are in a wooden box with layers of dirt separating them.
Here is a little story. I have a garden, and I use strips of old t-shirts and other cotton fabrics to tie up the plants...