Interesting article. Article states Apple discouragement of using rice to remove moisture from a wet phone. States the rice keeps the moisture in. Instead, Apple suggests using air to remove water.
Seems like an episode of myth busters is appropriate for this scenario.
www.macworld.com
Seems like an episode of myth busters is appropriate for this scenario.

Putting your wet iPhone in rice to dry it is a bad move, Apple warns
But we know you’re going to do it anyway.
