There are a few things you can do to keep your silverware from rattling in your RV. One is to use silicone mats or rubber pads on the shelves where you keep your silverware. Another is to invest in some velvet-lined drawers or trays. Finally, make sure that your silverware caddy is sturdy and not likely to tip over. By following these tips, you can help ensure that your silverware stays put and doesn't end up making a lot of noise while you're on the road.