Use the mod "Not enough items" or NEI, you can set it to a mode where you can see all the recipes but not be able to spawn items in.
Yes, try most tekkit servers. I recommend tekkit.eu. This requires a special download launcher, found on technicpack.net, and it extends minecraft to the limit.
Possibly your own server.
Check with a server mod or server owner about the faction mod he/she uses
Yes
No, the 'furniture mod' does not have any server based files available so it is impossible to host a server with this mod on.
In minecraft beta, there is creative mod what allows you to get all items.
Yes, try searching Minecraft Little blocks Mod
There are no friend requests in Minecraft unless the server you are on has a specific mod for it. If so, ask around the server for specific instructions.
Yes Or any other server mod(canary,hMod etc.)
It depends on the Minecraft server and what plugin the server is using for factions, sometimes typing "/help" on a server will give you the command syntax (what is required for each command). Alternatively if you know what mod they use, Google search for the plugin/mod and find out.
There are no chocolate eggs in minecraft, unless you are using a mod. But if you are I don't know the mod so I don't know the crafting recipe for a chocolate egg.
Your brother has downloaded a mod. You will need to visit a website explaining what the mod is and how it works to know the recipes.