So, the ram is not on the QVL for that mobo. That doesn't mean it won't work. You may have to set timings/voltage manually to get them to work. You can try set the ram to work with XMP/DOCP.
You can also look for ram that is the QVL, which is here:
https://www.msi.com/Motherboard/support/B450M-BAZOOKA-V2#support-mem-14
This list is assuming you have a Ryzen 2xxx CPU.
However, buying a 1 x 8 kit is not a good idea. You will lose dual channel performance. You should get a 2 x matched kit. So 2 x 4 or 2 x 8gbs kit. This will give you dual channel, which can give an extra 10-20% performance, task dependent.