Oatmeal Chocolate Chip Cake

In a mixing bowl, pour water over oatmeal. Allow to stand 10 minutes. Add sugars and butter, stirring until the butter melts. Add eggs, one at a time, mixing well after each addition. Sift flour, soda, cocoa and salt together. Add to batter. Mix well. Stir in half the chocolate chips. Pour into a greased 13-in. x 9-in. x 2-in. baking pan. Sprinkle top of cake with walnuts and remaining chips. Bake at 350 degrees F for about 40 minutes. ');