Sure, just pin the two fabrics together. I would suggest to sew the cotton on the bottom from sliding if you are using a machine so you can keep an eye on the slippery satin on top. Also, don't use a heavy needle or thread. Did you check the instruct...
Becareful due to it being satin "If it is silk satin, it's easy to dye (use an acid dye). If it's cotton satin, it's also fine to dye so long as there's no more than 10 percent spandex/lycra in it. However, if (like most) it's polyester, I wouldn't b...
Satin feels good but it tends to slip down in the middle of the night or cause your blankets and comforters to fall off the bed. I'd go with the 600 thread count. It will last longer and not get those beady things from usage over time.