Yes its possible, This link might be helpful [link|https://www.google.com/imgres?q=can%20I%20boot%20windows%20on%20mac%20with%20sdxc%20card&imgurl=https%3A%2F%2Fiboysoft.com%2Fimages%2Fen-howto%2Fcreate-bootable-sd-card-mac%2Fhow-to-create-bootable-sd-card-on-mac.jpg&imgrefurl=https%3A%2F%2Fiboysoft.com%2Fhowto%2Fcreate-bootable-sd-card-mac.html&docid=uYGqFM2My2sUcM&tbnid=esE9P7fr5OAV9M&vet=12ahUKEwiSmoni3PeGAxUQU0EAHf60Bm8QM3oECBQQAA..i&w=1200&h=800&hcb=2&ved=2ahUKEwiSmoni3PeGAxUQU0EAHf60Bm8QM3oECBQQAA|Boot windows on SDXC Card]