The Mi 10 and Honor 30 Pro both support the Qi wireless charging standard, so they are theoretically compatible with each other. However, it should be noted that the speed and efficiency of wireless charging is affected by a variety of factors, such as charger power, receiver location, and so on. Therefore, if you want to let the Mi 10 to Honor 30 Pro wireless charging, it is recommended to use a higher power charger, while ensuring that the contact position of the two is good, in order to give full play to the advantages of wireless charging.
Yes, the Mi 10 supports reverse charging and can charge the 30pro.