You place it the say way you would any other windows operating system, you use the place block key which is defaulted to the right mouse button.
Yes, I play Minecraft on my Windows 8.
Minecraft currently supports: Windows XP - Windows 8. Linux And recently All types of Apple.
Minecraft does not need to update for it to be compatible with Windows 8
YES
I have windows 8 too. All you have to do is windows button+r then type in %appdata%
Yes
supercript
To install Forge Modloader for Minecraft 1.4.7 on Windows 8, first, download the Forge installer from the official Forge website. Run the installer and select "Install client," then click "OK." After installation, open the Minecraft Launcher, select the Forge profile, and launch the game. Finally, place any mods you want to use in the "mods" folder located in your Minecraft directory.
They announced it on Christmas (2012), so yes.
Mods do work on Windows 8 laptops, you just most likely aren't installing them correctly
The F5 key is above the 5 key.
A single piece of coal can perform 8 furnace operations in minecraft 1.6, so that means 8 pieces of cobblestone.