How do ceramic keycaps perform on magnetic switches? Here you go!
Ceramic keycaps can work well on magnetic switches. For the 1U keycaps, you don't need to worry about any rebounding issues at all. For the heavier ceramic spacebar, you may need to check the magnetic switches with the heaviest return force.
Keycaps: Cerakey Ceramic Keycaps
Keyboard: Wooting 60HE
Switch: Gateron Lekker switch