If your microphones need plug-in power, they won't work when plugged directly into a mixer's XLR microphone inputs. Plug-in powering is a consumer method for unbalanced, consumer microphones, whereas XLR microphone inputs are designed for balanced, professional microphones, and the powering that they generally offer is "phantom" powering at a considerably higher voltage than your microphones were designed for.
I suggest that you contact the seller of the microphones for advice. There are such things as "phantom power adapters" for some consumer microphones.
--best regards