Combine the raisins, nuts, soda and hot water and allow to soak for 10 minutes. Blend together the mayonnaise, sugar, vanilla extract, cloves and cinnamon. Fold this mixture alternately with the raisin mixture into the flour. Pour the batter into a greased and floured 9-inch square baking pan and bake in a preheated 350 degree F. oven for 35 to 40 minutes or until the cake tests done.