Can Ka-Boom! be bought on the auction house?

No. It binds when picked up, so it is earned as a drop, quest reward, or vendor purchase and cannot be traded or listed.

How much does Ka-Boom! cost on the auction house?

No auction house scans for RP Alliance yet. The price appears here after the first scan from the AHledger addon.

Common reagent · item level 60 · id 228136

Ka-Boom! is a common reagent item in World of Warcraft: Forever. It has item level 60, binds when picked up and is unique.

The item reads: "Scrawlings from an enterprising engineer on integrating explosives into technology. A fine addition to any library's collection."

What is Ka-Boom!?: Ka-Boom! is a common reagent item in World of Warcraft: Forever. It has item level 60, binds when picked up and is unique.
Can Ka-Boom! be bought on the auction house?: No. It binds when picked up, so it is earned as a drop, quest reward, or vendor purchase and cannot be traded or listed.
How much does Ka-Boom! cost on the auction house?: No auction house scans for RP Alliance yet. The price appears here after the first scan from the AHledger addon.
Is Ka-Boom! different in Forever than in Classic Era?: No. The Forever beta keeps the same item level, requirements, and vendor prices as Classic Era.