Yes the tires will fit the rims just fine. As a general rule, you want to use rims with a width that is within 4 inches of the width of the tires, but you also don't want to run too wide of a rim either...make it real easy to lose a bead.

Gun it and run it!
1981 CJ5,258,T-176,D300,AMC 20,Dana 30,Trxus M/T 31x10.50, Rancho 5000's, GroundPounderFab front bumper, polyethylene gas tank, aluminum dash, AutoMeter gauges

What this country needs is unemployed politicians.