It's physically possible, I don't see why it wouldn't be. However, I don't think it's practically doable. If that makes sense?
Also, it depends on what we mean by "spinning". Are we talking a couple spins, or multiple spins while maintaining the same point of contact like figure skatera do?
The latter one. If there is only one contact point on the ice blade, I would think it would be feasible. What if someone only practised spins on icehockey blades, I think that the ones movements would be tailored to the iceblade of hockey skates.
I don't think that the method that figure skaters use (skating backwards) would work with icehockey skates, but I would suspect that with a different technique tailored for hockey skates, you can get the same results.
