I don't have any definite plans to breed them, but I wondered if it could be a possibility in the future with my pH.No, they shouldn't. Do you want them to? If they do, they will eat their own eggs and young unless you have a special breeding tank set up.
Breeding is different than normal living conditions. They'll be fine in the pH. Hardness is more important than pH for how sensitive species will be, but again, high pH and hardness are far easier to adapt to than soft water and acidic pH.Cherry barbs prefer soft water I believe. Many fish will not breed unless conditions are optimal, and for a Cherry Barb, a ph that high is not.